IPX5 Water &amp; Sweat Resistance: The out of ear earbuds feature a nano-coating and ultra-fine mesh dust filter, effectively blocking sweat and rain while maintaining balanced sound quality. The open acoustic design automatically detects ambient sound, protecting your hearing and keeping you safe during activities. The perfect choice for workouts, work, or gifts.<br>Upgraded Noise Cancellation: This clip on ear buds equipped with upgraded Bluetooth 5.4 chip, which significantly improves anti-interference and transmission speed, combined with AI intelligent algorithm and ENC multi-microphone noise cancellation system, the built-in microphone can provide clear calls even in noisy outdoor.<br>Comfort &amp; Security: These over the ear earbuds weigh only 5g each and are made of skin-friendly silicone material and memory titanium alloy wire, which adaptively fits the ear and does not fall off during movement, bringing all-day comfort even when wearing eyeglasses.<br>Intelligent &amp; Convenient:These sports earbuds connect to two devices simultaneously—switch between work and play without missing a beat. The running earbuds featuring responsive fingerprint touch controls, a simple tap lets you effortlessly manage your audio with quick, precise commands.<br>Long Battery Life:This single headphone of open ear headphones lasts up to 8 hours, and with the charging case it lasts up to 68 hours total, supporting alternate use of single earbuds, and boasts 1.5 hours fast charging.